---
title: crypto.Sign.sign()
api: crypto.Sign.sign
---

## Description

<Summary/>

## Syntax

``` js
sign.sign(key)

sign.sign(
  key,
  {
    id,
  }
)
```

## Parameters

<Parameters/>

## See Also

* [crypto.Sign](/reference/api/crypto/Sign)
* [update()](/reference/api/crypto/Sign/update)
